DIOSCORIXEAE. (Helmia.) 419 



scriplio sequitttr: Rami tenucs, volubiles. angnlati, ^laliri. Fo- 

 lia sparsa, fernafo- disccta, snppc(cn(ia incomplcta ; sovmonfa 

 scssilia, basi cutieato-angustata, mctnhranacea, cxliucolata ?, gla- 

 bra : tcrminaie oblotigum?, acuniina(um, Irinervium ; latcralia 

 dimidiato-ovata, obtnsa, frinervia. Kaccmi maseuli axillares, 

 solitarii vel gcmini, simpliccs, adjecfo peiluuculo (1-1 j-pollicari) 

 4-pollicares, in ramulis aphyllis paniculato-dispositi ; rhadii te- 

 nui, subtilissimc hirteila. Flores pediccllati, solifarii, remofius- 

 culi, bibracteati. Bracteae ova(ae, acumiuatae ; exterior major, 

 pediccllum superans. Perigonium furbinafo- rotalum, limbo 6- 

 partifnm, glabruiri, haud pttnclatum, pallidum, liueam latum; 

 laciuiis nvafo-ohlongis, obtusis, obsolcle uninerviis, patentissi- 

 mis, (ribus an(e slamina parum latioribus. Slamina 3, fauci 

 perigonii inserta, laciniis fcre (riplo breviora, disfanlia; sfcrilia 

 nulla. Filamenta inferne parmn dila(a(a. Antberae ellipticae, 

 utriiique hilobac, iulrorsac, albidae, dorso affixae, filamcnto pa- 

 rum brcviores. Rudimentum styiiuuin nuilum ?. 



2) Stamina 3, fauci perigonii rotali inscrta ; sterilia nulla. An- 

 therae subscssiles, sttbrodindo-didymae , introrsae. — Flores 

 masculi pedicellati, solitarii : racemi simpliccs. Flores feminei: 

 Sliginala 3, sessilia, stibulafa, integra. (Allactostemon scct. 2. 

 Griseb.) Polius cttiii sectione praecedentc jungeuda ? 



5. II. FURCATA. Glahra ; ramulis tereliusculis, s(ria(is; 

 foliis sparsis, deltoideo-cordatis, interdum subhastato- subtrilo- 

 bis, aciiminato-mticroiiafis, septemnerviis, nervo ulroque extimo 

 bi-trifido, tenuifer membranaccis, exlineolatis ; racemis masculis 

 axillaribus, solifariis, rcmotiiloris, flexuosis, folium subaequaii- 

 tibus; perigonii plano-rotati laciniis oblongis, obdtsis, trinerviis; 

 antheris 3, fauci insideutibus, suhsessilibus, subrof uisdo-didvniis; 

 Spicis femineis solilariis, pauci- e( remofiiloris. Dioscorca fur- 

 cafa Griseb. in Fndl. et JMart. Flor. Brns. fasc. 5. p. 45. D. 

 suhhaslata I '>//. Flor. Flnm. 10. /. 121.*) — Brasilia meridio- 

 nalis. 2|, — Planfa inascula: Rami volubiles, tenues, filiformes, 

 tcrefiusculi, sfriafi, glabri. Folia sparsa, delfoideo-cordafa, in- 

 terdtim subhasta(o-sub(riloba, acuminato-mticronafa, scptcmncr- 

 via, nervo titroque extitno 2-3-fido, femiifer membranacea, exli- 

 neolata, 2j- poll. longa, 2 poll. lafa; lobis basilarihtis rotunda- 

 fis, sinu lato rotuudato divaricafis. Petioli tenues, glabri, --1 1- 

 poll. lougi. Racemi (masculi) axillares, solifarii, adjecto pedun- 

 ctilo (7-8 lin. longo) 2-2^-pollicares ; rhachi filifornii, flexuosa, 

 glalira. Flores longiuseule pedicellali, solifarii, hihrac(ea(i ?, re- 

 mo(i; bracd-a cxterior lincari-lanceolafa, acumiua(a, glabra, pe- 



°) Flores in icone perspicue triandri, in analysi floris adjecla loculi 

 probabiliter pro antheris sumpti. Grisebach cum I). snbhastata D. piperi- 

 foliae varietatem /S triaugulareia constituit aut? ei adjiingit. 



[27*] 



